Jade Pendant 001

Jade is the name of mineral aggregates composed of jadeite, nephrite, or both. Jadeite is a pyroxene rich in aluminum and sodium, nephrite in an aggregate of microcrystalline interlaced calcium fibers, amphibole mineral rich in magnesium-iron. Jadeite can be translucent emerald green (Imperial Jade), it can also contain black, red, pink and violet. Nephrite, more common, usually has different shades of green and gray, occasionally yellow, brown or white.

Amethyst is a macro-crystalline quartz variety. Tetrahedral crystals, botryoidal aggregates and compact masses. Its characteristic violet color can be more or less intense according to the amount of iron it contains. Although very resistant to acids is very supceptible heat. In fact when heated to over 300 ° C its color changes to brown, dun, yellow or green, depending on its quality and its place of origin.